Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 g7 draw
4 Kb6 draw
5 Kb7 draw
6 Kc7 draw
7 Kd7 draw
8 Kb5 loss in 2 half-moves
9 Kc5 loss in 2 half-moves